Panasonic SA-HT855E - Page 65

SA-HT855E/EB/EG BLOCK DIAGRAM
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
-B
+B+B
-B-B
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
816
9
10
15
14
13
11
21
22
19
23
1
5
2
3
12 7
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
FRONT L+
FRONT R+
OUT2
IC5000
C1BA00000407
AUDIO DIGITAL POWER AMP
IN1MCENTER
OSC
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODEMODE 1
+B+B
-B-B
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
816
9
10
15
14
13
11
21
22
19
23
1
5
2
3
12 7
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
CENTER -
CENTER +
OUT2
IC5200
C1BA00000407
AUDIO DIGITAL POWER AMP
-B
MUTING
Q5601-5604
MOD DA
71
MUTE F
69
MUTE S
68
+B +B
-B
IN1M
IN2M
IN1P
SURROUND L
SURROUND R
MODE 1
MODE 1
OSC
MODE 2
MODE 2
FRONT L
OSC
FRONT R
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
8
16
9
10
15
14
13
11
21
22
19
23
1
5
2
3
12 7
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5400
C1BA00000407
AUDIO DIGITAL POWER AMP
-B-B
IN1M
SUBWOOFER
SURROUND L+
SURROUND R+
OSC
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODEMODE 2
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
816
9
10
15
14
13
11
21
22
19
23
1
5
2
3
12 7
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5300
C1BA00000407
AUDIO DIGITAL POWER AMP
-B
+B +B
-B-B
SUBWOOFER -
SUBWOOFER +
SYSTEM CONTROL
IC2018
C2CBYY000195
Q2201
Q2101
84
(5)3
7(1)
(6)2
HP MUTE
78
-
+
C0AABB000125
IC2103
HEADPHONE AMP
MUTING
CONTROL
MUTING
-B +B
SA-HT855E / SA-HT855EB / SA-HT855EG
65